/**
 * Created by zybang on 2017/7/10.
 */
public  abstract class demoTest {
    public demoTest(){
        System.out.println("xixiixixix");
    }
    public demoTest(String aa ){}
    public void method1(){
        System.out.println("this is method 1 of father");
        method2();
    }

    public void method2(){
        System.out.println("this is method 2 of father");
    }

    public abstract void method3();
}
